Berkeley DB is new database system which is used as database libraries providing scalable high performance data management services to applications and the products use simple function-call APIs for data access and management. In Berkeley DB management system we can customized the data and find out the good solutions without the overhead traditionally associated with such custom projects and it is also provides a collection of well-proven building-block technologies that can be configured to address any application need from the hand-held device to the data center, from a local storage solution to a world-wide distributed one from kilobytes to petabytes.